Finding the Fourth Proportional to 13,723.34, 18,938.32 and 7,435.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,723.34 : 18,938.32 = 7,435.76 : x
2. Step 2: Convert to fraction form
   13,723.34/18,938.32 = 7,435.76/x
3. Step 3: Cross multiply
   13,723.34x = 18,938.32 × 7,435.76
4. Step 4: Simplify right side
   13,723.34x = 140,820,802.32
5. Step 5: Solve for x
   x = 140,820,802.32/13,723.34
6. Step 6: Final answer
   x = 10,261.41